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1665 heat sink kit products are offered for sale by suppliers on Alibaba.com, of which fans & cooling accounts for 11%, aluminum profiles accounts for 5%, and heat sinks accounts for 3%. A wide variety of heat sink kit options are available to you, such as project installation, auto cad layout and onsite metering.You can also choose from ip65, ip55 and ip66 heat sink kit,as well as from silver heat sink kitand whether heat sink kit is aluminum alloy, or stainless steel.